The nurse is educating a patient who has recently been diagnosed with chronic obstructive pulmonary disease (COPD). The nurse explains how the gasses in the lungs move between the air spaces and the bloodstream
Which process is the nurse describing? a. Ventilation
b. Diffusion
c. Respiration
d. Perfusion
B
Diffusion is the movement of gases between air spaces and the bloodstream. One of the primary functions of the lungs includes ventilation, the movement of air in and out of the lungs. Respira-tion is the exchange of oxygen and carbon dioxide during cellular metabolism. The heart supports perfusion, the movement of blood into and out of the lungs to the organs and tissues of the body.
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A long-term care resident has limited use of the right side of his body, but is coherent at intervals. If this patient develops decubiti, which factor might the facility plead to prevent liability?
1. The resident is unable to obtain proper nutrition because of his refusal to eat. 2. The resident must be confined to bed for prolonged periods of time because of his condition. 3. Nursing notes reveal that the patient is repositioned frequently, but somehow manages to return to the back-lying position. 4. Understaffing prevents the nurses from performing necessary passive range of motion exercises to the patient's affected side.
The vitamin that aids the formation of collagen and absorption of iron, and assists wound healing is:
a. vitamin D. b. vitamin K. c. vitamin C. d. vitamin A.
A client was brought to the emergency department by police after neighbors complained he was loud and disruptive. The client is paranoid and upset and states, "No one can be trusted"
Which of the criteria for involuntary admission does this client meet? A) Dangerous to self B) Dangerous to others C) Gravely disabled D) He doesn't clearly meet any of the necessary criteria.
A prenatal genetic test that can be used to detect structural anomalies and assess gestational age and placental sufficiency is
1. Amniocentesis. 2. Chorionic villus sampling. 3. Maternal serum alpha-fetoprotein test. 4. Ultrasonography.